Definitions for: Hydroquinone

Webster (1913) Definition: Hy`dro*qui"none, n. [Hydro-, 2 + quinone.]
(Chem.)
A white crystalline substance, C6H4(OH)2, obtained by the
reduction of quinone. It is a diacid phenol, resembling, and
metameric with, pyrocatechin and resorcin. Called also
dihydroxy benzene.